Home / 4,007.40-5,523.30-3,679.08

Finding the Fourth Proportional to 4,007.40, 5,523.30 and 3,679.08

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Solution

The fourth proportional to 4,007.40, 5,523.30 and 3,679.08 is: 5,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.40 : 5,523.30 = 3,679.08 : x
  2. Step 2: Convert to fraction form
    4,007.40/5,523.30 = 3,679.08/x
  3. Step 3: Cross multiply
    4,007.40x = 5,523.30 × 3,679.08
  4. Step 4: Simplify right side
    4,007.40x = 20,320,662.56
  5. Step 5: Solve for x
    x = 20,320,662.56/4,007.40
  6. Step 6: Final answer
    x = 5,070.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.